Home / 12,798.43-19,205.85-6,221.03

Finding the Fourth Proportional to 12,798.43, 19,205.85 and 6,221.03

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Solution

The fourth proportional to 12,798.43, 19,205.85 and 6,221.03 is: 9,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.43 : 19,205.85 = 6,221.03 : x
  2. Step 2: Convert to fraction form
    12,798.43/19,205.85 = 6,221.03/x
  3. Step 3: Cross multiply
    12,798.43x = 19,205.85 × 6,221.03
  4. Step 4: Simplify right side
    12,798.43x = 119,480,106.60
  5. Step 5: Solve for x
    x = 119,480,106.60/12,798.43
  6. Step 6: Final answer
    x = 9,335.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.